# NTSB investigations: Lycoming AEIO-540 series: Loss of control on ground

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ERA26LA276](https://openairdocs.org/ntsb/ERA26LA276.md): Christen Industries Pitts S-2 · Porter Center, NY · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 17, 2026 · N7RN · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR22LA088](https://openairdocs.org/ntsb/WPR22LA088.md): Extra Flugzeugbau EA 300/L · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jan 13, 2022 · N203EX · Substantial damage
  > The failure of the right brake due to the separation of the brake pad from the brake assembly. Also causal was the improper maintenance of the airplane, which resulted in the use of a brake pad that was inappropriate for the airplane make and model.
- [NTSB WPR21LA076](https://openairdocs.org/ntsb/WPR21LA076.md): Extra Flugzeugbau EA 300/L · Santa Monica, CA · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2021 · N52NL · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB WPR20CA174](https://openairdocs.org/ntsb/WPR20CA174.md): Extra EA 300 · Concord, CA · Accident · No injuries · Class 4 · Data collection · Final report · Apr 12, 2020 · N111XW · Substantial damage
  > The pilot's loss of directional control during the landing roll, which resulted in a ground loop.
- [NTSB ERA15CA037](https://openairdocs.org/ntsb/ERA15CA037.md): Aviat S 2C · Rutland, VT · Accident · No injuries · Data collection · Final report · Oct 28, 2014 · N340BF · Substantial damage
  > The pilot's failure to maintain directional control during landing rollout in gusty crosswind conditions, which resulted in a ground loop and subsequent substantial damage to the airplane.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=41568

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